Patent · US Expired

Sound transmitting device

USD440511S · kind S · design

21Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 28, 2000
Grant dateApr 17, 2001
Priority date
Expiry dateApr 17, 2015

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.